Beat butter, extract and sugar in a food processor until light and fluffy. Beat in eggs one at a time. Stir in flour and milk in 2 batches. Stir in melted white chocolate and sour cream.

Spread mixture into the tin. Bake about 45-60 minutes, or until a skewer inserted into the centre of cake comes out clean. Stand in cake tin until cake is cool. Turn out onto wire rack.

Icing

2-3 passionfruit, depending on the size and juiciness of the fruit

Enough icing sugar to make a stiff but spreadable icing

Method

Mix the passionfruit pulp with the icing sugar, adding more icing sugar as necessary to make a smooth paste.

Ice the top of the cake, letting a little of the icing drip down the sides of the cake.

Passionfruit Butter

Ingredients

4 tbls sugar

2 tbls butter

Pulp from 3-4 passionfruit, depending on size and juiciness

2 egg yolks

Method

Place a heatproof bowl over a saucepan of water. Make sure the bottom of the bowl isn’t touching the water. Bring water to the boil over a medium heat.

Turn heat down to medium-low. Add butter and sugar to bowl and stir with a wooden spoon to melt and combine.

Mix together passionfruit pulp and eggs in a small mixing bowl. Add to butter/sugar mixture and stir continuously with a wooden spoon until mixture thickens and coats the back of the spoon. This should take about 10-12 minutes over a medium-low heat.

Once thickened, remove bowl from heat and allow butter to cool completely before storing in a sterilized airtight jar.